The amount of air left in the lungs after a breath out is known as what

Oxygen, after breathing out, carbon dioxide exits your lungs through your nose and the surrounding air enters your lungs through your nose.

scorpions are,

c.arachnids

  scorpions are animals in the order scorpiones, under the class arachnida, which makes them a distant cousin of spiders

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from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.